MODEL IRRIGATION DIST #18
WA · PWS ID WA5355550 · Community water system
94
contaminants tested
11
detected
7,903
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0030 ug/L | 1/6 | 2025 |
| PFHxA | 0.0039 ug/L | 1/6 | 2025 |
| PFOA | 0.0042 ug/L | 1/6 | 2025 |
| PFPeA | 0.0058 ug/L | 1/6 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5700 UG/L | 126/130 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 15/15 | LCR | 2025 |
| Arsenic | 4.37 UG/L | 6/6 | SYR4 | 2019 |
| Barium | 108 UG/L | 6/6 | SYR4 | 2019 |
| Nitrate-Nitrite | 4000 UG/L | 6/6 | SYR4 | 2019 |
| COPPER, FREE | 2.55 UG/L | 1/6 | SYR4 | 2019 |
| lithium | 10 ug/L | 1/6 | UCMR-5 | 2025 |
83 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromodichloromethaneBromoformCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChlordaneChloroformChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromochloromethaneDinosebEndrinEthylbenzeneFluorideHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene